fix the more complex cases by actually codegen'ing the right expr :)

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67219 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 7 insertions, 1 deletions

diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index 93b2382166..95cb53c1f7 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -1024,7 +1024,7 @@ LValue CodeGenFunction::EmitCastLValue(const CastExpr *E) {
   
   // Casts are only lvalues when the source and destination types are the same.
   llvm::Value *Temp = CreateTempAlloca(ConvertType(E->getType()));
-  EmitAnyExpr(E, Temp, false);
+  EmitAnyExpr(E->getSubExpr(), Temp, false);
   
   return LValue::MakeAddr(Temp, E->getType().getCVRQualifiers(),
                           getContext().getObjCGCAttrKind(E->getType()));
diff --git a/test/CodeGen/exprs.c b/test/CodeGen/exprs.c
index a0fe960089..dbc14997d4 100644
--- a/test/CodeGen/exprs.c
+++ b/test/CodeGen/exprs.c
@@ -82,3 +82,9 @@ unsigned f1(void) {
 union f3_x {int x; float y;};
 int f3() {return ((union f3_x)2).x;}
 
+union f4_y {int x; _Complex float y;};
+_Complex float f4() {return ((union f4_y)(_Complex float)2.0).y;}
+
+struct f5_a { int a; } f5_a;
+union f5_z {int x; struct f5_a y;};
+struct f5_a f5() {return ((union f5_z)f5_a).y;}